I often use the VCS feature of PHPStorm where I can select a piece of code and then immediately get a nice list of all the commits that changed that code. I can

I often use the VCS feature of PHPStorm where I can select a piece of code and then immediately get a nice list of all the commits that changed that code. I can then double click on that code and get a list of other files that were modified. For example, I can then figure out why a certain piece of code does what it does, and why it was added.